/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Web;
using System.Xml.Linq;
using System.Xml.XPath;
using Composite.Plugins.Functions.XslExtensionsProviders.ConfigBasedXslExtensionsProvider;
using Microsoft.Practices.EnterpriseLibrary.Common.Configuration;

namespace Composite.Community.OpenID
{
    [ConfigurationElementType(typeof (ConfigBasedXslExtensionInfo))]
    public class OpenIDExtensions
    {
        public string GetLocalized(string resourceName, string key)
        {
            return Utils.GetLocalized(resourceName, key);
        }

        public static XPathNavigator GetLocalizedXml(string resourceName, string key)
        {
            return XElement.Parse("<root>" + Utils.GetLocalized(resourceName, key) + "</root>").CreateNavigator();
        }

        public string GetReturnUrl()
        {
            return HttpUtility.UrlEncode(Utils.GetReturnUrl());
        }

        public string SignIn(string userDetailsPageId)
        {
            Guid pageId;
            if (Guid.TryParse(userDetailsPageId, out pageId))
            {
                return OpenIDFacade.SignIn(pageId);
            }
            else
            {
                return OpenIDFacade.SignIn(Guid.Empty);
            }
        }

        public void SignOut()
        {
            OpenIDFacade.SignOut();
        }

        public string GetCurrentUserDisplayName()
        {
            return OpenIDFacade.GetCurrentUserDisplayName();
        }

        public string GetCurrentUserGuid()
        {
            return OpenIDFacade.GetCurrentUserGuid().ToString();
        }

        public XPathNavigator UserDetailsHelper()
        {
            XElement result = HttpContext.Current.Request.Form["submit"] == "true"
                                  ? OpenIDFacade.SaveCurrentUserDetails()
                                  : OpenIDFacade.GetCurrentUserDetails();
            return result.CreateNavigator();
        }

        public bool IsAuthenticated()
        {
            return OpenIDFacade.IsAuthenticated();
        }

        public void Redirect(string pageId)
        {
            Guid pageGuid;
            if (Guid.TryParse(pageId, out pageGuid))
            {
                Utils.Redirect(pageGuid);
            }
        }
    }
}